217185760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{123401}}^1$

素因数の和:123427

約数の個数: 48

約数和(自身を含む): 559751472

約数和(自身を除く): 342565712

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 123401, 246802, 493604, 617005, 987208, 1234010, 1357411, 1974416, 2468020, 2714822, 3948832, 4936040, 5429644, 6787055, 9872080, 10859288, 13574110, 19744160, 21718576, 27148220, 43437152, 54296440, 108592880, 217185760]

約数ペア:

[(1, 217185760), (2, 108592880), (4, 54296440), (5, 43437152), (8, 27148220), (10, 21718576), (11, 19744160), (16, 13574110), (20, 10859288), (22, 9872080), (32, 6787055), (40, 5429644), (44, 4936040), (55, 3948832), (80, 2714822), (88, 2468020), (110, 1974416), (160, 1357411), (176, 1234010), (220, 987208), (352, 617005), (440, 493604), (880, 246802), (1760, 123401)]